esta

this

non

1. no, not, not at all
2. no (used to show disagreement or negation)
3. no (used to reinforce an affirmation as negation of the alternative - but it can be omitted without changing the meaning)
4. no (reinforces a mandate in interrogative sentences)

debe

1. inflection of deber:
2. inflection of deber:

ser

• Verb

  1. to be
  2. to be; forms the passive voice
  3. to be (to have as one’s place of origin)
  4. to be (someone’s); to belong to
  5. to be for; to be to (to have as its purpose)
  6. to be; indicates persistence or reiteration

• Noun

con

• Prep

  with

• Conj
• Noun